Business Details
31 Years
experience
Emergency
services
Trusted MEP Engineering for Historic Preservation
Architectural Consulting Engineers (ACE) is a specialized engineering consulting firm dedicated to delivering sustainable mechanical, electrical, and plumbing (MEP) solutions for historically significant buildings. With over two decades of experience, we have established ourselves as the premier MEP architectural consultants for historical preservation in the Chicago area. Our expertise spans iconic projects such as Louis Sullivans Charnley-Persky House, Frank Lloyd Wrights Robie House, and Henry Hobson Richardsons Glessner House. We combine deep technical knowledge with a commitment to preserving architectural integrity, offering services ranging from feasibility studies to construction administration. Our team, led by Principal Mark Nussbaum, P.E., brings over 25 years of experience in integrating energy-efficient technologies into historic structures.We collaborate closely with architects, building owners, and preservationists to ensure seamless implementation of modern systems while respecting historical authenticity. Our work extends across the Midwest and beyond, supported by a network of trusted partners. We prioritize client satisfaction through transparent communication, innovative problem-solving, and a dedication to exceeding project goals. Our accolades include partnerships on National Historic Landmark restorations and recognition for sustainable engineering excellence. At ACE, we believe in preserving history through engineering that honors the past while embracing the future.
Services
Historic Structures Reports
Preservation Plans
Building Assessments
Energy Studies
Construction Administration
Solar PV Design
Geothermal HVAC Systems
Details
- Year established: 1995
Highlights and features
- We offer 25+ years of specialized expertise in historic MEP systems.
- Our team holds professional licenses in multiple states for nationwide projects.
- We integrate energy-efficient technologies into historically significant buildings.
- Our portfolio includes National Historic Landmark restorations.
- We provide 24/7 emergency support for critical building systems.
What people say
Incredible problem-solving skills
Seamless integration of systems
Highly recommended for historic projects
Exceptional attention to detail
Reliable emergency support
Services
Historic Structures Reports
We prepare detailed MEP assessments for historic buildings, documenting existing systems and recommending preservation strategies. Our reports ensure compliance with preservation standards while addressing modern functionality. Clients benefit from actionable insights that balance historical integrity with contemporary needs.
Energy Studies
Our energy studies evaluate building performance and identify cost-effective, sustainable upgrades. We analyze life-cycle costs and environmental impact to guide retrofit decisions. Clients gain data-driven strategies for reducing energy consumption without compromising historic fabric.
Geothermal HVAC Systems
We design geothermal systems tailored to historic buildings, minimizing visual and structural disruption. Our solutions leverage ground-loop heat exchangers for efficient climate control. Clients receive durable, eco-friendly HVAC systems that align with preservation goals.
Solar PV Design
We create solar PV systems compatible with historic structures, ensuring aesthetic and structural harmony. Our designs maximize energy production while preserving architectural character. Clients benefit from renewable energy solutions that meet modern efficiency standards.
Construction Administration
We provide on-site supervision to ensure accurate implementation of MEP systems during historic renovations. Our team verifies compliance with design specifications and resolves field challenges. Clients receive assurance that their projects meet both technical and preservation requirements.
People
Mark Nussbaum
Principal
Mark Nussbaum, P.E., founded ACE in 1995 and specializes in historic MEP systems and energy-efficient technologies. With licenses in Illinois, Ohio, and Wisconsin, he has led over 100 preservation projects across the Midwest.
Deborah A. Nussbaum
Designer, Office Manager
Debbi Nussbaum brings 37 years of HVAC industry experience to ACE, managing design coordination and office operations. Her holistic approach ensures seamless integration of MEP systems in historic buildings while maintaining practical functionality.
Questions
What types of projects does ACE specialize in?
ACE specializes in MEP engineering for historically significant buildings, including preservation plans, energy studies, and geothermal HVAC systems.
How does ACE handle preservation challenges?
We prioritize minimal disruption to historic fabric while integrating modern systems, using tailored solutions tested through decades of experience.
Can ACE work with out-of-state clients?
Yes, we collaborate with partners across the Midwest and beyond, leveraging our network for nationwide projects.
What certifications does ACE hold?
Our principal holds P.E. licenses in Illinois, Ohio, and Wisconsin, and we partner with leading preservation and sustainability organizations.
Does ACE offer emergency services?
Yes, we provide 24/7 support for urgent MEP system issues in historic buildings.
